US 12,424,129 B2
Display panel, display panel test method, and display device
Dongwei Li, Guangdong (CN)
Assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/755,526
Filed by SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Apr. 18, 2022, PCT No. PCT/CN2022/087419
§ 371(c)(1), (2) Date Apr. 29, 2022,
PCT Pub. No. WO2023/184615, PCT Pub. Date Oct. 5, 2023.
Claims priority of application No. 202210315270.6 (CN), filed on Mar. 28, 2022.
Prior Publication US 2024/0169868 A1, May 23, 2024
Int. Cl. G09G 3/00 (2006.01); H10K 59/131 (2023.01); H10K 59/35 (2023.01)
CPC G09G 3/006 (2013.01) [H10K 59/131 (2023.02); G09G 2300/0452 (2013.01); H10K 59/351 (2023.02)] 17 Claims
OG exemplary drawing
 
1. A display panel, comprising first color pixels and second color pixels, wherein the display panel comprises:
an underlay;
signal lines disposed on the underlay, wherein the signal lines comprise a plurality of first signal lines and a plurality of second signal lines, the first signal lines are connected to the first color pixels, and the second signal lines are connected to the second color pixels; and
a first test module disposed on the underlay, wherein the first test module comprises a first shorting bar and a first soldering pad, an end of the first shorting bar is connected to the first signal lines and the second signal lines, another end of the first shorting bar is connected to the first soldering pad, and the first test module is configured for an array test of the display panel;
wherein the display panel further comprises third color pixels, the signal lines further comprise a plurality of third signal lines, the third signal lines are connected to the third color pixels, the first test module further comprises a second shorting bar and a second soldering pad, an end of the second shorting bar is connected to the third signal lines, and another end of the second shorting bar is connected to the second soldering pad;
wherein each of the first signal lines, the second signal lines, and the third signal lines is connected to the same ones of the first, second, or third color pixels instead of being connected to color pixels in different colors.